Biology I Mitosis and Meiosis Test Bank 1. 2. 3. 4. 5. 6. 7. 8. During which of the following time periods of the cell cycle would chromosomes not exist as replicated copies of each other in the same cell? a. G2 b. Prophase c. Metaphase d. Telophase (post cytokinesis) Proteins are synthesized during which portion(s) of the cell cycle? a. G1 b. G2 c. Telophase d. A and B e. A and C A body cell of an animal has 36 chromosomes. A sperm from this cat will have a. 9 chromosomes b. 18 chromosomes c. 36 chromosomes d. 72 chromosomes During mitosis, sister chromatids are pulled apart a. By the centrioles b. In the nucleus c. By the fibers d. Two times Before the first step of mitosis, chromosomes a. Move to the endo the cell b. Separate c. Make two copies d. Make exact copies of themselves You grow mainly because your cells a. Get larger b. Divide c. Join together d. Get shorter Your muscles get larger because your muscle cells a. Get larger b. Divide c. Join together d. Get shorter The sex cell of an animal has 20 chromosomes. A body cell of this same animal has how many chromosomes? a. 40 b. 30 c. 20 d. 10 9. During mitosis, which of the following does NOT occur? a. Cells divide; 2 cells form b. Sister chromatids double c. Centrioles move d. Fibers attach to chromosomes 10. Cancer cells undergo mitosis at a(n) _________ rate a. Normal b. Abnormally slow c. Abnormally fast d. Decreased 11. Which cells are formed by meiosis? a. Sperm only b. Egg only c. Sperm and egg d. Body cells 12. A human female forms how many eggs from one original cell? a. One b. Two c. Three d. Four 13. A cell has 4 chromosomes. After mitosis, each new cell will have _____ chromosomes. a. 2 b. 4 c. 8 d. 26 14. Which of the statements is NOT true about fertilization? a. Chromosomes separate b. Sperm and egg cells meet c. Chromosome number doubles d. A new organism begins to form 15. In cell division, chromosomes make copies of themselves a. Before mitosis b. As they separate c. On the fibers d. After division 16. A typical animal cell show all of the following parts before mitosis EXCEPT a. Centrioles b. A nuclear membrane c. Chloroplasts d. Chromosomes 17. What is a chromosome called after it has made a copy of itself? a. Brother chromosomes b. Sister chromosomes c. Sister chromatids d. Cousin chromosomes 18. A human egg cell has 23 chromosomes. A fertilized human egg cell will have 19. 20. 21. 22. 23. 24. 25. 26. a. 22 b. 23 c. 45 d. 46 The body cell of a chicken has 78 chromosomes. A body cell of its parent had a. 39 b. 78 c. 117 d. 156 Humans have 46 chromosomes. Human sperm cells contain a. 46 chromosomes b. 23 chromosomes c. 69 chromosomes d. No chromosomes Cell reproduction in which two identical cells are made is called a. The cell cycle b. Mitosis c. Meiosis d. A and B e. B and C Which of the following is NOT a factor that limits cell size? a. Time required form diffusion b. Elasticity of plasma membrane c. Prescence of only one nucleus d. Surface area-to-volume ratio When calculating the surface area-to-volume ratio, what does the surface area of a cell represent? a. Cytoplasm b. Mitochondria c. Endoplasmic reticulum d. Plasma membrane What is the surface area of a cub-shaped cell that is 3 mm on a side? a. 9 mm2 b. 27 mm2 c. 54 mm2 d. 56 mm2 which is the first phase of mitosis? a. Prophase b. Metaphase c. Telophase d. Anaphase The _____ is the sequence of growth and division of a cell. a. Centromere b. Cell theory c. Cell cycle d. Surface area-to-volume ratio 27. The growth period of a cell cycle is known as _____. a. Interphase b. Mitosis c. Prophase d. Anaphase 28. Most of a cell’s life is spent carrying on the activities of _____. a. The cell cycle b. Interphase c. Mitosis d. Cell division 29. Chromosomes are made of ____. a. Cytoplasm b. ATP c. RNA d. DNA 30. The process of nuclear division, followed by division of the cytoplasm, is know as a. The cell cycle b. Mitosis c. Metaphase d. Interphase 31. Which of the following does NOT occur during interphase a. Excretion of wastes b. Cell repair c. Protein synthesis d. Nuclear division 32. Of the following, which is NOT a phase of mitosis? a. Prophase b. Metaphase c. Interphase d. Anaphase 33. During metaphase, the chromosomes move to the equator of the _____. a. Poles b. Cell plate c. Centrioles d. Spindle 34. The separation of the sister chromatids marks the beginning of _____ in mitosis. a. Anaphase b. Telophase c. Prophase d. Metaphase 35. Structures inside the cells that contain DNA and become darkly colored when stained are _____. a. Centrioles b. Centrosomes c. Centromeres d. Chromosomes 36. During which phase of the cell cycle are the chromosomes being double? a. Interphase b. Prophase c. Metaphase d. Anaphase 37. Plant cell division of the cytoplasm at the end of mitosis differs from animal cell division in that plants forma a a. Cell plate b. Deep furrow c. Centriole pair d. New plasma membrane 38. Which of the following is NOT a known cause of cancer? a. Environmental influences b. Certain viruses c. Cigarette smoke d. Bacterial infections 39. If a cell that has 8 chromosomes goes through mitosis, how many chromosomes will the daughter cell have? a. 4 b. 8 c. 16 d. 32 40. what are the football-shaped, cagelike structures consisting of microtubles that play a vital role in separtation of sister chromatides during mitosis? a. Centrioles b. Centrosomes c. Spindle fibers d. Chromosomes